Commentary The major reason why America is so prosperous is the Interstate Commerce clause of U.S. Constitution. It established a vast, continent-wide free-trade zone. California imposes no tariffs on Fords made in Michigan. And Michigan imposes no tariffs on Teslas made in California. There are some exceptions, but they have to be pretty good ones….

Commentary The major reason why America is so prosperous is the Interstate Commerce clause of U.S. Constitution. It established a vast, continent-wide free-trade zone. California imposes no tariffs on Fords made in Michigan. And Michigan imposes no tariffs on Teslas made in California. There are some exceptions, but they have to be pretty good ones….

Commentary On October 11th at the Supreme Court, America’s pork farmers will stand trial. The formal question before the justices will be the constitutionality of California’s 2018 initiative-passed Proposition 12. If the farmers lose, a state will be allowed to enforce a regulation on out-of-state production methods. Historically, states could regulate only the character and quality of…